fox 25 out of boston. officials say there was a gas leak in the area. witnesses reported windows shattering, brings flies, even a mushroom cloud rising above the epicenter of the explosion. folks say they felt and heard the boom from miles away. abulbasher of in people had significant injuries. we are told several buildings were damaged including a scores gentlemen's club right at the center of the blast. our chief fox report correspondent jonathan hunt is live with the news. we are told, jonathan, there was trouble shortly before the blast. >> yeah, john. about 4:20 eastern, this afternoon, there was, in the words of one local reporter. a real stench of gas in the several blocks surrounding what turned out to be the site of the bomb's blast in downtown springfield, massachusetts. utility workers were apparently on scene working on this. and according to that same reporter, the smell of gas had dissipated a great deal just before strangely the explosion actually happened. that was 5:30 eastern. some 90 minutes ago. as you said it leveled one building in